| 1 | |
| Researcher: | Dwivedi, R S |
| University: | Banaras Hindu University |
| Language: | English |
| 2 | |
| Researcher: | Dwivedi, Devi Shankar |
| University: | Dr Bhimrao Ambedkar University |
| Language: | Hindi |
| 3 | |
| Researcher: | Dwivedi, Ram Chandra |
| University: | University of Lucknow |
| Language: | English |